Home / 9,286.02-12,807.56-6,453.36

Finding the Fourth Proportional to 9,286.02, 12,807.56 and 6,453.36

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Solution

The fourth proportional to 9,286.02, 12,807.56 and 6,453.36 is: 8,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.02 : 12,807.56 = 6,453.36 : x
  2. Step 2: Convert to fraction form
    9,286.02/12,807.56 = 6,453.36/x
  3. Step 3: Cross multiply
    9,286.02x = 12,807.56 × 6,453.36
  4. Step 4: Simplify right side
    9,286.02x = 82,651,763.13
  5. Step 5: Solve for x
    x = 82,651,763.13/9,286.02
  6. Step 6: Final answer
    x = 8,900.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.